Matching
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Section 1 - Energy Flow in Ecosystems
Choose the
letter of the term or phrase that best matches the description.
a. | cellular respiration | d. | consumer | b. | decomposer | e. | photosynthesis | c. | producer | f. | food web |
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1.
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an organism that makes its own food
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2.
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the process of breaking down food to yield energy
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3.
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organisms that get their energy by eating other organisms
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4.
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the process in which plants make sugar molecules from sunlight
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5.
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consumers that get their food by breaking down dead organisms
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6.
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the many feeding relationships possible in an ecosystem
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Section 2 - The Cycling of Matter
Choose the letter of
the term or phrase that best matches the description.
a. | carbon cycle | e. | atmospheric
nitrogen | b. | increased atmospheric CO2 | f. | decomposers | c. | phosphorus
cycle | g. | nitrogen-fixing
bacteria | d. | algal bloom | h. | nitrogen cycle |
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7.
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the process in which nitrogen is cycled between the atmosphere, bacteria, and
other organisms
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8.
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the movement of phosphorus from the environment to organisms and then back to
the environment
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9.
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the process by which carbon is cycled between the atmosphere, land, water, and
organisms
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10.
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breaks down decaying organisms
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11.
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part of the nitrogen cycle
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12.
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evidence of excessive use of fertilizer
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13.
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the result of burning fossil fuels
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Section 3 - How Ecosystems Change
Choose the letter of
the term or phrase that best matches the description.
a. | ecological
succession | d. | pioneer species | b. | primary succession | e. | climax community | c. | secondary
succession | f. | old-field
succession |
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14.
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a common type of succession that occurs on a surface where an ecosystem has
previously existed
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15.
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the first organisms to colonize any newly available area and begin the process
of ecological succession
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16.
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a type of succession that occurs on a surface where no ecosystem existed
before
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17.
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a type of succession that occurs on abandoned farmland
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18.
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a gradual process of change and replacement of the types of species in a
community
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Section 1 - What Is a Biome?
Choose the letter of the
term or phrase that best matches the description.
a. | grasslands | d. | tundra | b. | desert | e. | tropical rain forest | c. | taiga |
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19.
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driest biome
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20.
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wettest biome
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21.
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coldest biome
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22.
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located between 30° and 60° latitude
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23.
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located just below the Arctic Circle
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Section 2 - Forest Biomes
Choose the letter of the
description that best matches the term or phrase.
a. | dense shade | d. | filtered
light | b. | Arctic | e. | near
the equator | c. | bright light |
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24.
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understory
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25.
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tropical rain forest
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26.
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taiga
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Section 3 - Grassland, Desert, and Tundra
Biomes
Choose the letter of the term or phrase that best matches the
description.
a. | savanna | d. | desert | b. | tundra | e. | temperate grassland | c. | chaparral |
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27.
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most fertile soil
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28.
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Mediterranean climate
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29.
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permafrost soil layer
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30.
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giraffes and rhinos
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Section 1 - Freshwater Ecosystems
Choose the letter of
the term or phrase that best matches the description.
a. | temperature | d. | benthos | b. | coral reef | e. | nekton | c. | pond |
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31.
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marine ecosystem
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32.
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bottom-dwelling organisms
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33.
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factor that determines where aquatic organisms live
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34.
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free-swimming organisms
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35.
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freshwater ecosystem
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Section 2 - Marine Ecosystems
Choose the letter of the
term or phrase that best matches the description.
a. | barnacle | d. | runoff | b. | plankton | e. | coral reef | c. | open
ocean |
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36.
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potential threat to an estuary
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37.
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ecosystem found in shallow, tropical seas
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38.
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marine ecosystem considered not productive
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39.
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organism that anchors itself to grasses or rocks
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40.
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base of marine food web
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Section 1 - How Populations Change in Size
Choose the
letter of the term or phrase that best matches the description.
a. | density dependent | d. | territory | b. | dispersion | e. | limiting resource | c. | density |
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41.
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number of individuals per unit area
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42.
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example of indirect competition for resources
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43.
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relative distribution of individuals
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44.
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water, sunlight, or nutrients for plants
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45.
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deaths caused by disease
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Section 2 - How Species Interact with Each
Other
Choose the letter of the term or phrase that best matches the
description.
a. | competition | d. | mutualism | b. | predation | e. | commensalism | c. | parasitism |
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46.
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Species A benefits and species B is killed.
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47.
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Species A and B negatively affect each other.
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48.
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Species A and B both benefit.
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49.
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Species A benefits and species B is unaffected.
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50.
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Species A benefits and species B is harmed but not killed.
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